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Failed to connect up the `destroy' signal in error_box(), causing
[sgt/puzzles] / gtk.c
1 /*
2 * gtk.c: GTK front end for my puzzle collection.
3 */
4
5 #include <stdio.h>
6 #include <assert.h>
7 #include <stdlib.h>
8 #include <time.h>
9 #include <stdarg.h>
10 #include <string.h>
11
12 #include <sys/time.h>
13
14 #include <gtk/gtk.h>
15 #include <gdk/gdkkeysyms.h>
16
17 #include "puzzles.h"
18
19 /* ----------------------------------------------------------------------
20 * Error reporting functions used elsewhere.
21 */
22
23 void fatal(char *fmt, ...)
24 {
25 va_list ap;
26
27 fprintf(stderr, "fatal error: ");
28
29 va_start(ap, fmt);
30 vfprintf(stderr, fmt, ap);
31 va_end(ap);
32
33 fprintf(stderr, "\n");
34 exit(1);
35 }
36
37 /* ----------------------------------------------------------------------
38 * GTK front end to puzzles.
39 */
40
41 struct font {
42 GdkFont *font;
43 int type;
44 int size;
45 };
46
47 /*
48 * This structure holds all the data relevant to a single window.
49 * In principle this would allow us to open multiple independent
50 * puzzle windows, although I can't currently see any real point in
51 * doing so. I'm just coding cleanly because there's no
52 * particularly good reason not to.
53 */
54 struct frontend {
55 GtkWidget *window;
56 GtkWidget *area;
57 GtkWidget *statusbar;
58 guint statusctx;
59 GdkPixmap *pixmap;
60 GdkColor *colours;
61 int ncolours;
62 GdkColormap *colmap;
63 int w, h;
64 midend_data *me;
65 GdkGC *gc;
66 int bbox_l, bbox_r, bbox_u, bbox_d;
67 int timer_active, timer_id;
68 struct timeval last_time;
69 struct font *fonts;
70 int nfonts, fontsize;
71 config_item *cfg;
72 int cfg_which, cfgret;
73 GtkWidget *cfgbox;
74 };
75
76 void frontend_default_colour(frontend *fe, float *output)
77 {
78 GdkColor col = fe->window->style->bg[GTK_STATE_NORMAL];
79 output[0] = col.red / 65535.0;
80 output[1] = col.green / 65535.0;
81 output[2] = col.blue / 65535.0;
82 }
83
84 void status_bar(frontend *fe, char *text)
85 {
86 assert(fe->statusbar);
87
88 gtk_statusbar_pop(GTK_STATUSBAR(fe->statusbar), fe->statusctx);
89 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx, text);
90 }
91
92 void start_draw(frontend *fe)
93 {
94 fe->gc = gdk_gc_new(fe->area->window);
95 fe->bbox_l = fe->w;
96 fe->bbox_r = 0;
97 fe->bbox_u = fe->h;
98 fe->bbox_d = 0;
99 }
100
101 void clip(frontend *fe, int x, int y, int w, int h)
102 {
103 GdkRectangle rect;
104
105 rect.x = x;
106 rect.y = y;
107 rect.width = w;
108 rect.height = h;
109
110 gdk_gc_set_clip_rectangle(fe->gc, &rect);
111 }
112
113 void unclip(frontend *fe)
114 {
115 GdkRectangle rect;
116
117 rect.x = 0;
118 rect.y = 0;
119 rect.width = fe->w;
120 rect.height = fe->h;
121
122 gdk_gc_set_clip_rectangle(fe->gc, &rect);
123 }
124
125 void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize,
126 int align, int colour, char *text)
127 {
128 int i;
129
130 /*
131 * Find or create the font.
132 */
133 for (i = 0; i < fe->nfonts; i++)
134 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
135 break;
136
137 if (i == fe->nfonts) {
138 if (fe->fontsize <= fe->nfonts) {
139 fe->fontsize = fe->nfonts + 10;
140 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
141 }
142
143 fe->nfonts++;
144
145 fe->fonts[i].type = fonttype;
146 fe->fonts[i].size = fontsize;
147
148 /*
149 * FIXME: Really I should make at least _some_ effort to
150 * pick the correct font.
151 */
152 fe->fonts[i].font = gdk_font_load("variable");
153 }
154
155 /*
156 * Find string dimensions and process alignment.
157 */
158 {
159 int lb, rb, wid, asc, desc;
160
161 gdk_string_extents(fe->fonts[i].font, text,
162 &lb, &rb, &wid, &asc, &desc);
163 if (align & ALIGN_VCENTRE)
164 y += asc - (asc+desc)/2;
165
166 if (align & ALIGN_HCENTRE)
167 x -= wid / 2;
168 else if (align & ALIGN_HRIGHT)
169 x -= wid;
170
171 }
172
173 /*
174 * Set colour and actually draw text.
175 */
176 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
177 gdk_draw_string(fe->pixmap, fe->fonts[i].font, fe->gc, x, y, text);
178 }
179
180 void draw_rect(frontend *fe, int x, int y, int w, int h, int colour)
181 {
182 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
183 gdk_draw_rectangle(fe->pixmap, fe->gc, 1, x, y, w, h);
184 }
185
186 void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour)
187 {
188 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
189 gdk_draw_line(fe->pixmap, fe->gc, x1, y1, x2, y2);
190 }
191
192 void draw_polygon(frontend *fe, int *coords, int npoints,
193 int fill, int colour)
194 {
195 GdkPoint *points = snewn(npoints, GdkPoint);
196 int i;
197
198 for (i = 0; i < npoints; i++) {
199 points[i].x = coords[i*2];
200 points[i].y = coords[i*2+1];
201 }
202
203 gdk_gc_set_foreground(fe->gc, &fe->colours[colour]);
204 gdk_draw_polygon(fe->pixmap, fe->gc, fill, points, npoints);
205
206 sfree(points);
207 }
208
209 void draw_update(frontend *fe, int x, int y, int w, int h)
210 {
211 if (fe->bbox_l > x ) fe->bbox_l = x ;
212 if (fe->bbox_r < x+w) fe->bbox_r = x+w;
213 if (fe->bbox_u > y ) fe->bbox_u = y ;
214 if (fe->bbox_d < y+h) fe->bbox_d = y+h;
215 }
216
217 void end_draw(frontend *fe)
218 {
219 gdk_gc_unref(fe->gc);
220 fe->gc = NULL;
221
222 if (fe->bbox_l < fe->bbox_r && fe->bbox_u < fe->bbox_d) {
223 gdk_draw_pixmap(fe->area->window,
224 fe->area->style->fg_gc[GTK_WIDGET_STATE(fe->area)],
225 fe->pixmap,
226 fe->bbox_l, fe->bbox_u,
227 fe->bbox_l, fe->bbox_u,
228 fe->bbox_r - fe->bbox_l, fe->bbox_d - fe->bbox_u);
229 }
230 }
231
232 static void destroy(GtkWidget *widget, gpointer data)
233 {
234 gtk_main_quit();
235 }
236
237 static gint key_event(GtkWidget *widget, GdkEventKey *event, gpointer data)
238 {
239 frontend *fe = (frontend *)data;
240 int keyval;
241
242 if (!fe->pixmap)
243 return TRUE;
244
245 if (event->string[0] && !event->string[1])
246 keyval = (unsigned char)event->string[0];
247 else if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
248 event->keyval == GDK_KP_8)
249 keyval = CURSOR_UP;
250 else if (event->keyval == GDK_Down || event->keyval == GDK_KP_Down ||
251 event->keyval == GDK_KP_2)
252 keyval = CURSOR_DOWN;
253 else if (event->keyval == GDK_Left || event->keyval == GDK_KP_Left ||
254 event->keyval == GDK_KP_4)
255 keyval = CURSOR_LEFT;
256 else if (event->keyval == GDK_Right || event->keyval == GDK_KP_Right ||
257 event->keyval == GDK_KP_6)
258 keyval = CURSOR_RIGHT;
259 else if (event->keyval == GDK_KP_Home || event->keyval == GDK_KP_7)
260 keyval = CURSOR_UP_LEFT;
261 else if (event->keyval == GDK_KP_End || event->keyval == GDK_KP_1)
262 keyval = CURSOR_DOWN_LEFT;
263 else if (event->keyval == GDK_KP_Page_Up || event->keyval == GDK_KP_9)
264 keyval = CURSOR_UP_RIGHT;
265 else if (event->keyval == GDK_KP_Page_Down || event->keyval == GDK_KP_3)
266 keyval = CURSOR_DOWN_RIGHT;
267 else
268 keyval = -1;
269
270 if (keyval >= 0 &&
271 !midend_process_key(fe->me, 0, 0, keyval))
272 gtk_widget_destroy(fe->window);
273
274 return TRUE;
275 }
276
277 static gint button_event(GtkWidget *widget, GdkEventButton *event,
278 gpointer data)
279 {
280 frontend *fe = (frontend *)data;
281 int button;
282
283 if (!fe->pixmap)
284 return TRUE;
285
286 if (event->type != GDK_BUTTON_PRESS && event->type != GDK_BUTTON_RELEASE)
287 return TRUE;
288
289 if (event->button == 2 || (event->state & GDK_SHIFT_MASK))
290 button = MIDDLE_BUTTON;
291 else if (event->button == 1)
292 button = LEFT_BUTTON;
293 else if (event->button == 3)
294 button = RIGHT_BUTTON;
295 else
296 return FALSE; /* don't even know what button! */
297
298 if (event->type == GDK_BUTTON_RELEASE)
299 button += LEFT_RELEASE - LEFT_BUTTON;
300
301 if (!midend_process_key(fe->me, event->x, event->y, button))
302 gtk_widget_destroy(fe->window);
303
304 return TRUE;
305 }
306
307 static gint motion_event(GtkWidget *widget, GdkEventMotion *event,
308 gpointer data)
309 {
310 frontend *fe = (frontend *)data;
311 int button;
312
313 if (!fe->pixmap)
314 return TRUE;
315
316 if (event->state & (GDK_BUTTON2_MASK | GDK_SHIFT_MASK))
317 button = MIDDLE_DRAG;
318 else if (event->state & GDK_BUTTON1_MASK)
319 button = LEFT_DRAG;
320 else if (event->state & GDK_BUTTON3_MASK)
321 button = RIGHT_DRAG;
322 else
323 return FALSE; /* don't even know what button! */
324
325 if (!midend_process_key(fe->me, event->x, event->y, button))
326 gtk_widget_destroy(fe->window);
327
328 return TRUE;
329 }
330
331 static gint expose_area(GtkWidget *widget, GdkEventExpose *event,
332 gpointer data)
333 {
334 frontend *fe = (frontend *)data;
335
336 if (fe->pixmap) {
337 gdk_draw_pixmap(widget->window,
338 widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
339 fe->pixmap,
340 event->area.x, event->area.y,
341 event->area.x, event->area.y,
342 event->area.width, event->area.height);
343 }
344 return TRUE;
345 }
346
347 static gint map_window(GtkWidget *widget, GdkEvent *event,
348 gpointer data)
349 {
350 frontend *fe = (frontend *)data;
351
352 /*
353 * Apparently we need to do this because otherwise the status
354 * bar will fail to update immediately. Annoying, but there we
355 * go.
356 */
357 gtk_widget_queue_draw(fe->window);
358
359 return TRUE;
360 }
361
362 static gint configure_area(GtkWidget *widget,
363 GdkEventConfigure *event, gpointer data)
364 {
365 frontend *fe = (frontend *)data;
366 GdkGC *gc;
367
368 if (fe->pixmap)
369 gdk_pixmap_unref(fe->pixmap);
370
371 fe->pixmap = gdk_pixmap_new(widget->window, fe->w, fe->h, -1);
372
373 gc = gdk_gc_new(fe->area->window);
374 gdk_gc_set_foreground(gc, &fe->colours[0]);
375 gdk_draw_rectangle(fe->pixmap, gc, 1, 0, 0, fe->w, fe->h);
376 gdk_gc_unref(gc);
377
378 midend_redraw(fe->me);
379
380 return TRUE;
381 }
382
383 static gint timer_func(gpointer data)
384 {
385 frontend *fe = (frontend *)data;
386
387 if (fe->timer_active) {
388 struct timeval now;
389 float elapsed;
390 gettimeofday(&now, NULL);
391 elapsed = ((now.tv_usec - fe->last_time.tv_usec) * 0.000001F +
392 (now.tv_sec - fe->last_time.tv_sec));
393 midend_timer(fe->me, elapsed); /* may clear timer_active */
394 fe->last_time = now;
395 }
396
397 return fe->timer_active;
398 }
399
400 void deactivate_timer(frontend *fe)
401 {
402 if (fe->timer_active)
403 gtk_timeout_remove(fe->timer_id);
404 fe->timer_active = FALSE;
405 }
406
407 void activate_timer(frontend *fe)
408 {
409 if (!fe->timer_active) {
410 fe->timer_id = gtk_timeout_add(20, timer_func, fe);
411 gettimeofday(&fe->last_time, NULL);
412 }
413 fe->timer_active = TRUE;
414 }
415
416 static void window_destroy(GtkWidget *widget, gpointer data)
417 {
418 gtk_main_quit();
419 }
420
421 static void errmsg_button_clicked(GtkButton *button, gpointer data)
422 {
423 gtk_widget_destroy(GTK_WIDGET(data));
424 }
425
426 static int win_key_press(GtkWidget *widget, GdkEventKey *event, gpointer data)
427 {
428 GtkObject *cancelbutton = GTK_OBJECT(data);
429
430 /*
431 * `Escape' effectively clicks the cancel button
432 */
433 if (event->keyval == GDK_Escape) {
434 gtk_signal_emit_by_name(GTK_OBJECT(cancelbutton), "clicked");
435 return TRUE;
436 }
437
438 return FALSE;
439 }
440
441 void error_box(GtkWidget *parent, char *msg)
442 {
443 GtkWidget *window, *hbox, *text, *ok;
444
445 window = gtk_dialog_new();
446 text = gtk_label_new(msg);
447 gtk_misc_set_alignment(GTK_MISC(text), 0.0, 0.0);
448 hbox = gtk_hbox_new(FALSE, 0);
449 gtk_box_pack_start(GTK_BOX(hbox), text, FALSE, FALSE, 20);
450 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(window)->vbox),
451 hbox, FALSE, FALSE, 20);
452 gtk_widget_show(text);
453 gtk_widget_show(hbox);
454 gtk_window_set_title(GTK_WINDOW(window), "Error");
455 gtk_label_set_line_wrap(GTK_LABEL(text), TRUE);
456 ok = gtk_button_new_with_label("OK");
457 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(window)->action_area),
458 ok, FALSE, FALSE, 0);
459 gtk_widget_show(ok);
460 GTK_WIDGET_SET_FLAGS(ok, GTK_CAN_DEFAULT);
461 gtk_window_set_default(GTK_WINDOW(window), ok);
462 gtk_signal_connect(GTK_OBJECT(ok), "clicked",
463 GTK_SIGNAL_FUNC(errmsg_button_clicked), window);
464 gtk_signal_connect(GTK_OBJECT(window), "destroy",
465 GTK_SIGNAL_FUNC(window_destroy), NULL);
466 gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
467 GTK_SIGNAL_FUNC(win_key_press), ok);
468 gtk_window_set_modal(GTK_WINDOW(window), TRUE);
469 gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(parent));
470 //set_transient_window_pos(parent, window);
471 gtk_widget_show(window);
472 gtk_main();
473 }
474
475 static void config_ok_button_clicked(GtkButton *button, gpointer data)
476 {
477 frontend *fe = (frontend *)data;
478 char *err;
479
480 err = midend_set_config(fe->me, fe->cfg_which, fe->cfg);
481
482 if (err)
483 error_box(fe->cfgbox, err);
484 else {
485 fe->cfgret = TRUE;
486 gtk_widget_destroy(fe->cfgbox);
487 }
488 }
489
490 static void config_cancel_button_clicked(GtkButton *button, gpointer data)
491 {
492 frontend *fe = (frontend *)data;
493
494 gtk_widget_destroy(fe->cfgbox);
495 }
496
497 static int editbox_key(GtkWidget *widget, GdkEventKey *event, gpointer data)
498 {
499 /*
500 * GtkEntry has a nasty habit of eating the Return key, which
501 * is unhelpful since it doesn't actually _do_ anything with it
502 * (it calls gtk_widget_activate, but our edit boxes never need
503 * activating). So I catch Return before GtkEntry sees it, and
504 * pass it straight on to the parent widget. Effect: hitting
505 * Return in an edit box will now activate the default button
506 * in the dialog just like it will everywhere else.
507 */
508 if (event->keyval == GDK_Return && widget->parent != NULL) {
509 gint return_val;
510 gtk_signal_emit_stop_by_name(GTK_OBJECT(widget), "key_press_event");
511 gtk_signal_emit_by_name(GTK_OBJECT(widget->parent), "key_press_event",
512 event, &return_val);
513 return return_val;
514 }
515 return FALSE;
516 }
517
518 static void editbox_changed(GtkEditable *ed, gpointer data)
519 {
520 config_item *i = (config_item *)data;
521
522 sfree(i->sval);
523 i->sval = dupstr(gtk_entry_get_text(GTK_ENTRY(ed)));
524 }
525
526 static void button_toggled(GtkToggleButton *tb, gpointer data)
527 {
528 config_item *i = (config_item *)data;
529
530 i->ival = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(tb));
531 }
532
533 static void droplist_sel(GtkMenuItem *item, gpointer data)
534 {
535 config_item *i = (config_item *)data;
536
537 i->ival = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(item),
538 "user-data"));
539 }
540
541 static int get_config(frontend *fe, int which)
542 {
543 GtkWidget *w, *table, *cancel;
544 char *title;
545 config_item *i;
546 int y;
547
548 fe->cfg = midend_get_config(fe->me, which, &title);
549 fe->cfg_which = which;
550 fe->cfgret = FALSE;
551
552 fe->cfgbox = gtk_dialog_new();
553 gtk_window_set_title(GTK_WINDOW(fe->cfgbox), title);
554 sfree(title);
555
556 w = gtk_button_new_with_label("OK");
557 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
558 w, FALSE, FALSE, 0);
559 gtk_widget_show(w);
560 GTK_WIDGET_SET_FLAGS(w, GTK_CAN_DEFAULT);
561 gtk_window_set_default(GTK_WINDOW(fe->cfgbox), w);
562 gtk_signal_connect(GTK_OBJECT(w), "clicked",
563 GTK_SIGNAL_FUNC(config_ok_button_clicked), fe);
564
565 w = gtk_button_new_with_label("Cancel");
566 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->action_area),
567 w, FALSE, FALSE, 0);
568 gtk_widget_show(w);
569 gtk_signal_connect(GTK_OBJECT(w), "clicked",
570 GTK_SIGNAL_FUNC(config_cancel_button_clicked), fe);
571 cancel = w;
572
573 table = gtk_table_new(1, 2, FALSE);
574 y = 0;
575 gtk_box_pack_end(GTK_BOX(GTK_DIALOG(fe->cfgbox)->vbox),
576 table, FALSE, FALSE, 0);
577 gtk_widget_show(table);
578
579 for (i = fe->cfg; i->type != C_END; i++) {
580 gtk_table_resize(GTK_TABLE(table), y+1, 2);
581
582 switch (i->type) {
583 case C_STRING:
584 /*
585 * Edit box with a label beside it.
586 */
587
588 w = gtk_label_new(i->name);
589 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
590 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
591 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
592 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
593 3, 3);
594 gtk_widget_show(w);
595
596 w = gtk_entry_new();
597 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
598 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
599 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
600 3, 3);
601 gtk_entry_set_text(GTK_ENTRY(w), i->sval);
602 gtk_signal_connect(GTK_OBJECT(w), "changed",
603 GTK_SIGNAL_FUNC(editbox_changed), i);
604 gtk_signal_connect(GTK_OBJECT(w), "key_press_event",
605 GTK_SIGNAL_FUNC(editbox_key), NULL);
606 gtk_widget_show(w);
607
608 break;
609
610 case C_BOOLEAN:
611 /*
612 * Simple checkbox.
613 */
614 w = gtk_check_button_new_with_label(i->name);
615 gtk_signal_connect(GTK_OBJECT(w), "toggled",
616 GTK_SIGNAL_FUNC(button_toggled), i);
617 gtk_table_attach(GTK_TABLE(table), w, 0, 2, y, y+1,
618 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
619 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
620 3, 3);
621 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(w), i->ival);
622 gtk_widget_show(w);
623 break;
624
625 case C_CHOICES:
626 /*
627 * Drop-down list (GtkOptionMenu).
628 */
629
630 w = gtk_label_new(i->name);
631 gtk_misc_set_alignment(GTK_MISC(w), 0.0, 0.5);
632 gtk_table_attach(GTK_TABLE(table), w, 0, 1, y, y+1,
633 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
634 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
635 3, 3);
636 gtk_widget_show(w);
637
638 w = gtk_option_menu_new();
639 gtk_table_attach(GTK_TABLE(table), w, 1, 2, y, y+1,
640 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
641 GTK_EXPAND | GTK_SHRINK | GTK_FILL,
642 3, 3);
643 gtk_widget_show(w);
644
645 {
646 int c, val;
647 char *p, *q, *name;
648 GtkWidget *menuitem;
649 GtkWidget *menu = gtk_menu_new();
650
651 gtk_option_menu_set_menu(GTK_OPTION_MENU(w), menu);
652
653 c = *i->sval;
654 p = i->sval+1;
655 val = 0;
656
657 while (*p) {
658 q = p;
659 while (*q && *q != c)
660 q++;
661
662 name = snewn(q-p+1, char);
663 strncpy(name, p, q-p);
664 name[q-p] = '\0';
665
666 if (*q) q++; /* eat delimiter */
667
668 menuitem = gtk_menu_item_new_with_label(name);
669 gtk_container_add(GTK_CONTAINER(menu), menuitem);
670 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
671 GINT_TO_POINTER(val));
672 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
673 GTK_SIGNAL_FUNC(droplist_sel), i);
674 gtk_widget_show(menuitem);
675
676 val++;
677
678 p = q;
679 }
680
681 gtk_option_menu_set_history(GTK_OPTION_MENU(w), i->ival);
682 }
683
684 break;
685 }
686
687 y++;
688 }
689
690 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "destroy",
691 GTK_SIGNAL_FUNC(window_destroy), NULL);
692 gtk_signal_connect(GTK_OBJECT(fe->cfgbox), "key_press_event",
693 GTK_SIGNAL_FUNC(win_key_press), cancel);
694 gtk_window_set_modal(GTK_WINDOW(fe->cfgbox), TRUE);
695 gtk_window_set_transient_for(GTK_WINDOW(fe->cfgbox),
696 GTK_WINDOW(fe->window));
697 //set_transient_window_pos(fe->window, fe->cfgbox);
698 gtk_widget_show(fe->cfgbox);
699 gtk_main();
700
701 free_cfg(fe->cfg);
702
703 return fe->cfgret;
704 }
705
706 static void menu_key_event(GtkMenuItem *menuitem, gpointer data)
707 {
708 frontend *fe = (frontend *)data;
709 int key = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
710 "user-data"));
711 if (!midend_process_key(fe->me, 0, 0, key))
712 gtk_widget_destroy(fe->window);
713 }
714
715 static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
716 {
717 frontend *fe = (frontend *)data;
718 game_params *params =
719 (game_params *)gtk_object_get_data(GTK_OBJECT(menuitem), "user-data");
720 int x, y;
721
722 midend_set_params(fe->me, params);
723 midend_new_game(fe->me);
724 midend_size(fe->me, &x, &y);
725 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
726 fe->w = x;
727 fe->h = y;
728 }
729
730 static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
731 {
732 frontend *fe = (frontend *)data;
733 int which = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(menuitem),
734 "user-data"));
735 int x, y;
736
737 if (!get_config(fe, which))
738 return;
739
740 midend_new_game(fe->me);
741 midend_size(fe->me, &x, &y);
742 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
743 fe->w = x;
744 fe->h = y;
745 }
746
747 static GtkWidget *add_menu_item_with_key(frontend *fe, GtkContainer *cont,
748 char *text, int key)
749 {
750 GtkWidget *menuitem = gtk_menu_item_new_with_label(text);
751 gtk_container_add(cont, menuitem);
752 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
753 GINT_TO_POINTER(key));
754 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
755 GTK_SIGNAL_FUNC(menu_key_event), fe);
756 gtk_widget_show(menuitem);
757 return menuitem;
758 }
759
760 static void add_menu_separator(GtkContainer *cont)
761 {
762 GtkWidget *menuitem = gtk_menu_item_new();
763 gtk_container_add(cont, menuitem);
764 gtk_widget_show(menuitem);
765 }
766
767 static frontend *new_window(char *game_id, char **error)
768 {
769 frontend *fe;
770 GtkBox *vbox;
771 GtkWidget *menubar, *menu, *menuitem;
772 int x, y, n;
773 time_t t;
774
775 fe = snew(frontend);
776
777 time(&t);
778 fe->me = midend_new(fe, &t, sizeof(t));
779 if (game_id) {
780 *error = midend_game_id(fe->me, game_id, FALSE);
781 if (*error) {
782 midend_free(fe->me);
783 sfree(fe);
784 return NULL;
785 }
786 }
787 midend_new_game(fe->me);
788
789 fe->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
790 gtk_window_set_title(GTK_WINDOW(fe->window), game_name);
791 #if 0
792 gtk_window_set_resizable(GTK_WINDOW(fe->window), FALSE);
793 #else
794 gtk_window_set_policy(GTK_WINDOW(fe->window), FALSE, FALSE, TRUE);
795 #endif
796 vbox = GTK_BOX(gtk_vbox_new(FALSE, 0));
797 gtk_container_add(GTK_CONTAINER(fe->window), GTK_WIDGET(vbox));
798 gtk_widget_show(GTK_WIDGET(vbox));
799
800 menubar = gtk_menu_bar_new();
801 gtk_box_pack_start(vbox, menubar, FALSE, FALSE, 0);
802 gtk_widget_show(menubar);
803
804 menuitem = gtk_menu_item_new_with_label("Game");
805 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
806 gtk_widget_show(menuitem);
807
808 menu = gtk_menu_new();
809 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), menu);
810
811 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "New", 'n');
812 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Restart", 'r');
813
814 menuitem = gtk_menu_item_new_with_label("Specific...");
815 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
816 GINT_TO_POINTER(CFG_SEED));
817 gtk_container_add(GTK_CONTAINER(menu), menuitem);
818 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
819 GTK_SIGNAL_FUNC(menu_config_event), fe);
820 gtk_widget_show(menuitem);
821
822 if ((n = midend_num_presets(fe->me)) > 0 || game_can_configure) {
823 GtkWidget *submenu;
824 int i;
825
826 menuitem = gtk_menu_item_new_with_label("Type");
827 gtk_container_add(GTK_CONTAINER(menubar), menuitem);
828 gtk_widget_show(menuitem);
829
830 submenu = gtk_menu_new();
831 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menuitem), submenu);
832
833 for (i = 0; i < n; i++) {
834 char *name;
835 game_params *params;
836
837 midend_fetch_preset(fe->me, i, &name, &params);
838
839 menuitem = gtk_menu_item_new_with_label(name);
840 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
841 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data", params);
842 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
843 GTK_SIGNAL_FUNC(menu_preset_event), fe);
844 gtk_widget_show(menuitem);
845 }
846
847 if (game_can_configure) {
848 menuitem = gtk_menu_item_new_with_label("Custom...");
849 gtk_object_set_data(GTK_OBJECT(menuitem), "user-data",
850 GPOINTER_TO_INT(CFG_SETTINGS));
851 gtk_container_add(GTK_CONTAINER(submenu), menuitem);
852 gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
853 GTK_SIGNAL_FUNC(menu_config_event), fe);
854 gtk_widget_show(menuitem);
855 }
856 }
857
858 add_menu_separator(GTK_CONTAINER(menu));
859 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
860 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", '\x12');
861 add_menu_separator(GTK_CONTAINER(menu));
862 add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
863
864 {
865 int i, ncolours;
866 float *colours;
867 gboolean *success;
868
869 fe->colmap = gdk_colormap_get_system();
870 colours = midend_colours(fe->me, &ncolours);
871 fe->ncolours = ncolours;
872 fe->colours = snewn(ncolours, GdkColor);
873 for (i = 0; i < ncolours; i++) {
874 fe->colours[i].red = colours[i*3] * 0xFFFF;
875 fe->colours[i].green = colours[i*3+1] * 0xFFFF;
876 fe->colours[i].blue = colours[i*3+2] * 0xFFFF;
877 }
878 success = snewn(ncolours, gboolean);
879 gdk_colormap_alloc_colors(fe->colmap, fe->colours, ncolours,
880 FALSE, FALSE, success);
881 for (i = 0; i < ncolours; i++) {
882 if (!success[i])
883 g_error("couldn't allocate colour %d (#%02x%02x%02x)\n",
884 i, fe->colours[i].red >> 8,
885 fe->colours[i].green >> 8,
886 fe->colours[i].blue >> 8);
887 }
888 }
889
890 if (midend_wants_statusbar(fe->me)) {
891 GtkWidget *viewport;
892 GtkRequisition req;
893
894 viewport = gtk_viewport_new(NULL, NULL);
895 gtk_viewport_set_shadow_type(GTK_VIEWPORT(viewport), GTK_SHADOW_NONE);
896 fe->statusbar = gtk_statusbar_new();
897 gtk_container_add(GTK_CONTAINER(viewport), fe->statusbar);
898 gtk_widget_show(viewport);
899 gtk_box_pack_end(vbox, viewport, FALSE, FALSE, 0);
900 gtk_widget_show(fe->statusbar);
901 fe->statusctx = gtk_statusbar_get_context_id
902 (GTK_STATUSBAR(fe->statusbar), "game");
903 gtk_statusbar_push(GTK_STATUSBAR(fe->statusbar), fe->statusctx,
904 "test");
905 gtk_widget_size_request(fe->statusbar, &req);
906 #if 0
907 /* For GTK 2.0, should we be using gtk_widget_set_size_request? */
908 #endif
909 gtk_widget_set_usize(viewport, -1, req.height);
910 } else
911 fe->statusbar = NULL;
912
913 fe->area = gtk_drawing_area_new();
914 midend_size(fe->me, &x, &y);
915 gtk_drawing_area_size(GTK_DRAWING_AREA(fe->area), x, y);
916 fe->w = x;
917 fe->h = y;
918
919 gtk_box_pack_end(vbox, fe->area, FALSE, FALSE, 0);
920
921 fe->pixmap = NULL;
922 fe->fonts = NULL;
923 fe->nfonts = fe->fontsize = 0;
924
925 fe->timer_active = FALSE;
926
927 gtk_signal_connect(GTK_OBJECT(fe->window), "destroy",
928 GTK_SIGNAL_FUNC(destroy), fe);
929 gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event",
930 GTK_SIGNAL_FUNC(key_event), fe);
931 gtk_signal_connect(GTK_OBJECT(fe->area), "button_press_event",
932 GTK_SIGNAL_FUNC(button_event), fe);
933 gtk_signal_connect(GTK_OBJECT(fe->area), "button_release_event",
934 GTK_SIGNAL_FUNC(button_event), fe);
935 gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event",
936 GTK_SIGNAL_FUNC(motion_event), fe);
937 gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event",
938 GTK_SIGNAL_FUNC(expose_area), fe);
939 gtk_signal_connect(GTK_OBJECT(fe->window), "map_event",
940 GTK_SIGNAL_FUNC(map_window), fe);
941 gtk_signal_connect(GTK_OBJECT(fe->area), "configure_event",
942 GTK_SIGNAL_FUNC(configure_area), fe);
943
944 gtk_widget_add_events(GTK_WIDGET(fe->area),
945 GDK_BUTTON_PRESS_MASK |
946 GDK_BUTTON_RELEASE_MASK |
947 GDK_BUTTON_MOTION_MASK);
948
949 gtk_widget_show(fe->area);
950 gtk_widget_show(fe->window);
951
952 return fe;
953 }
954
955 int main(int argc, char **argv)
956 {
957 char *pname = argv[0];
958 char *error;
959
960 gtk_init(&argc, &argv);
961
962 if (!new_window(argc > 1 ? argv[1] : NULL, &error)) {
963 fprintf(stderr, "%s: %s\n", pname, error);
964 return 1;
965 }
966
967 gtk_main();
968
969 return 0;
970 }
Simon Tatham's portable puzzles collection; import of svn://svn.tartarus.org/sgt/puzzles